Return a specific error code for unknown URL schemes.

content/browser/renderer_host/resource_dispatcher_host.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 
 #include <set>
 #include <vector>
@@ skipping 370 matching lines @@
   if (!ResourceType::IsFrame(type) ||
       job_factory.IsHandledURL(url)) {
     return false;
   }
 
   if (delegate_)
     delegate_->HandleExternalProtocol(url, child_id, route_id);
 
   handler->OnResponseCompleted(
       request_id,
-      net::URLRequestStatus(net::URLRequestStatus::FAILED, net::ERR_ABORTED),
+      net::URLRequestStatus(net::URLRequestStatus::FAILED,
+                            net::ERR_UNKNOWN_URL_SCHEME),
       std::string());  // No security info necessary.
   return true;
 }
 
 bool ResourceDispatcherHost::OnMessageReceived(const IPC::Message& message,
                                                ResourceMessageFilter* filter,
                                                bool* message_was_ok) {
   filter_ = filter;
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(ResourceDispatcherHost, message, *message_was_ok)
@@ skipping 1747 matching lines @@
   return HTTP_AUTH_RESOURCE_BLOCKED_CROSS;
 }
 
 bool ResourceDispatcherHost::allow_cross_origin_auth_prompt() {
   return allow_cross_origin_auth_prompt_;
 }
 
 void ResourceDispatcherHost::set_allow_cross_origin_auth_prompt(bool value) {
   allow_cross_origin_auth_prompt_ = value;
 }